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Complex Systems

Complex Systems Publications, Inc · United States · Est. 1987

ISSN0891-2513eISSN0891-2513

SJR Q4✓ WOS ESCI✓ Scopus / SJR

Impact Factor & Quartile · Web of Science (JCR)

✓ Indexed in the Web of Science Core Collection (ESCI) — Clarivate publishes an official Journal Impact Factor and JCR quartile for this journal.

See the official Impact Factor & quartile on the journal’s page ↗

The Impact Factor & JCR quartile are licensed by Clarivate — we link you to the official source instead of reprinting a number that can go out of date. Open metrics below: SCImago Q4. Source: Clarivate Journal Citation Reports.

📊 Standing in its field

Where this journal ranks among others in the same subject area.

SJR · Scopus

Bottom 25%

Clarivate’s JCR quartile is a separate ranking and may differ

SJR Scorei

0.129

H-Indexi

SNIPi

0.643

Total Worksi

840

Total Citationsi

18,204

2yr Mean Citednessi

9.38

Open Impact Factor alternative

Aims & Scope

Complex Systems journal is devoted to the science, mathematics and engineering of systems with simple components but complex overall behavior. Papers submitted to Complex Systems should present results in a manner accessible to a wide readership. The topics of research covered by Complex Systems span a diverse array of areas, including mathematics, physics, computer science and biology.

General Information

Country / RegionUnited States

Primary LanguageEnglish

1st Year Published1987

Frequencyfour times annually

StatusActive

Total Publications840

Visit Journal Website

Submission Info

Publishing ModelSubscription

Peer Review—

OA LicenseCC BY

OA Rate—

Ethics & Quality

COPE Member✗ No

OASPA Member✗ No

Not on Predatory Lists✓ Yes

Think.Check.Submit Compliance

thinkchecksubmit.org

6/11 · 55%

✅

Do you know the journal / publisher?

Complex Systems Publications, Inc

✅

Does the journal have a website?

✓ Linked

✅

Is the ISSN verified?

0891-2513 / 0891-2513

✅

Indexed in a trusted database?

WoS, Scopus

❌

Peer review process documented?

N/A

❌

Follows ethical publishing standards (COPE)?

N/A

✅

Not on predatory/blacklists?

✓ Clean

❌

Long-term digital preservation?

N/A

❌

Plagiarism detection in place?

N/A

❌

Listed in DOAJ (verified OA)?

N/A

✅

Primary language documented?

English

A twelfth criterion — whether APC fees are clearly disclosed — is not scored here; it is left out of the total rather than counted as a failure. Publication charges appear in the metrics card above.

Based on the Think.Check.Submit framework by DOAJ, COPE & OASPA. All data from verified open sources.

Publication & Citation Trend

Articles published

Citations received

117

2019

222

2020

2021

2022

2023

609

2024

2025

2026

Source: OpenAlex · Each year’s green bar = citations earned by that year’s papers, counted to date — so recent years look lower simply because their papers haven’t had time to be cited yet.

SJR Quartile by Discipline

Scimago ranks this journal separately in each subject category — its quartile can differ by discipline.

Computer Science (miscellaneous)Q4

Control and Systems EngineeringQ4

Subject Classification

Web of Science Categories

Mathematics, Interdisciplinary Applications

Scopus Categories

Computer Science (miscellaneous)Control and Systems Engineering

Research Topics (OpenAlex)

Cellular Automata and ApplicationsComputability, Logic, AI AlgorithmsDNA and Biological ComputingNeural Networks and ApplicationsEvolutionary Algorithms and Applications

Frequently asked questions about Complex Systems

Is Complex Systems a predatory journal?

PubScope has no integrity flags on record for Complex Systems: it is indexed in Web of Science, Scopus, and is not on DOAJ's withdrawn list. Indexing is a transparency signal, not a guarantee — always confirm fit and policies before submitting.

What is the impact factor of Complex Systems?

Complex Systems is indexed in the Web of Science Core Collection, so Clarivate publishes an official Journal Impact Factor for it (since the 2023 Journal Citation Reports, every Core Collection journal — including Arts & Humanities and Emerging Sources titles — receives one). PubScope links to Clarivate's official source rather than reprinting the number, which can be out of date. Its open 2-year mean citedness is 9.38.

Is Complex Systems indexed in Scopus and Web of Science?

Complex Systems is indexed in Web of Science, Scopus.